In the coordinate system, the first quadrant is defined by the condition that both the x-value and y-value are positive. For the ordered pair (12, y) to be located in the first quadrant, the x-coordinate (which is 12) is already positive.
Thus, for the ordered pair (12, y) to remain in the first quadrant, the possible values of y must also be positive. Therefore, the possible values of y are:
\( y > 0 \)
This means that y can take any positive value (e.g., 0.1, 1, 100, 5000, etc.).